Replace Movies/Shows/Music/Live Sports buttons with Request/Watch/Upload
flow. Update request-access page with clear requests.jefflix.lol and
movies.jefflix.lol instructions plus install-as-app tips. Clean up
README, remove @vercel/analytics, add backlog tasks and vpn-setup.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
